Two years into the trial, far fewer crayfish have been found on the banks of the test location, a ditch in Leiden. The crayfish – Procambarus clarkii, or red swamp crayfish – are thought to have ...

The ban applies to red swamp crayfish and the slider turtle under an order approved by the Cabinet of Prime Minister Fumio Kishida on Jan. 20. It reflects growing concern about damage to ecosys ...

This is a Procambarus clarkii. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any ...

Most of Florida’s crayfish have dark or neutral colors that help them to blend into their surroundings. Wild red swamp crayfish (Procambarus clarkii), for instance, are dark with reddish hues ...